/* Copyright (C) 2004 - 2006  db4objects Inc.  http://www.db4o.com

This file is part of the db4o open source object database.

db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

db4o is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
namespace Db4objects.Db4o.Ext
{
	/// <summary>
	/// db4o exception wrapper: Exceptions occurring during internal processing
	/// will be proliferated to the client calling code encapsulated in an exception
	/// of rhis type.
	/// </summary>
	/// <remarks>
	/// db4o exception wrapper: Exceptions occurring during internal processing
	/// will be proliferated to the client calling code encapsulated in an exception
	/// of rhis type. The original exception, if any, is available through
	/// <see cref="Db4objects.Db4o.Ext.Db4oException.Cause">Db4objects.Db4o.Ext.Db4oException.Cause
	/// 	</see>
	/// .
	/// </remarks>
	[System.Serializable]
	public class Db4oException : System.Exception
	{
		private System.Exception _cause;

		public Db4oException(string msg) : base(msg)
		{
		}

		public Db4oException(System.Exception cause) : this(cause.ToString())
		{
			_cause = cause;
		}

		public Db4oException(int messageConstant) : this(Db4objects.Db4o.Internal.Messages
			.Get(messageConstant))
		{
		}

		/// <returns>The originating exception, if any</returns>
		public virtual System.Exception Cause()
		{
			return _cause;
		}
	}
}
